<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <!-- 收货地址组件 -->
    <my-address></my-address>
    <!-- 商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 右侧的文本 -->
      <text class="cart-title-text">购物车</text>
    </view>

    <!-- 循环渲染购物车中的商品信息 -->
<uni-swipe-action>
   <block v-for="(goods, i) in cart" :key="i">
     <!-- 这里一个坑  就是uniapp的滑动改了 -->
  <uni-swipe-action-item :right-options="options" @click="swipeItemClickHandler(goods)">
     <my-goods :goods="goods" :show-radio="true" :showNum="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
  </uni-swipe-action-item>
   
   </block>
</uni-swipe-action>
<!-- 使用自定义组件 -->
<my-settle></my-settle>
  </view>
  <!-- 空白购物车的区域 -->
  <!-- 空白购物车区域 -->
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import { mapState, mapMutations } from 'vuex'

  export default {
    mixins: [badgeMix],
    computed: {
      ...mapState('m_cart', ['cart'])
    },
    data() {
      return {
        options: [{
          text: '删除',
          style: {
            backgroundColor: '#C00000'
          }
        }]
      };
    },
    methods: {
      ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
      radioChangeHandler(e) {
        this.updateGoodsState(e)
      },
      numberChangeHandler(e) {
        this.updateGoodsCount(e)
      },
      swipeItemClickHandler(goods) {
        console.log(goods)
        this.removeGoodsById(goods.goods_id)
      }
    }
  }
</script>

<style lang="scss">
  .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    padding-left: 5px;
    border-bottom: 1px solid #EFEFEF;

    .cart-title-text {
      font-size: 14px;
      margin-left: 10px;
    }
  }
.cart-container {
  padding-bottom: 50px;
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
